Craftsman mower low rpms

272 Views 3 Replies 4 Participants Last post by davidg, Aug 5, 2015

mbain1968

Discussion Starter · Aug 4, 2015 (Edited)

Hello.
I blew a head gasket on my Craftsman model 917.272650 17hp horse riding mower and replaced it. I adjusted the valves to spec that I found. the specs I used are as follows:
intake at .005 (.004-0.10)
exhaust at .010 (009-.011)
started it up and it runs great. power seems ok, but if I throttle up past halfway it doesn't increase rpms. Seems like its restricted past half throttle. Seems like I should be able to increase speed/rpms some but cant. Would a valve clearance do this? is so, should I open it up more? Engine doesn't missfire.

Thanks in advance for any help.

Save

1 - 4 of 4 Posts

Mike X485

· #2 · Aug 4, 2015

Welcome to the forum. :Welcome1:

Go here Small Engines and Repair - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information and start a new thread with your questions.

Save

Newsman

· #3 · Aug 5, 2015

:howdy: Welcome aboard. Come for the info and help, stay for the camaraderie.:MTF_wel2:
MikeC
PS: :wwp:

Save

davidg

· #4 · Aug 5, 2015

:Welcome1:

I recommend all new members read The Getting Started Forum while they wait for the site to finish the validation process. During the validation time you may also wish to browse around the site and find the forum(s) which seem to best fit your area of interest.

Again, :Welcome1: and enjoy our forum!

See less See more

Save

1 - 4 of 4 Posts

This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.

Top Contributors this Month